the shelf cloud does look like a wall. A shelf cloud is NOT a tornado cloud (for the most part). You typically see them on the leading edge of a thunderstorm line segment or squall line.

Cold air tunnels may appear menacing, but they are considered harmless. Here's what officials say about this event, if you ...

At these heights, the atmosphere is cold enough that clouds are typically composed of ice crystals, not water droplets. These ...

Tornado watches have been issued for southwestern Minnesota and northwestern Iowa, with severe thunderstorm warnings issued ...

Supercells are the mightiest of the thunderstorms. They can roll for hours while maintaining tornadoes and damaging hail.

Severe weather has left a trail of destruction across parts of the US, with tornadoes and funnel clouds reported in several states. The storm system struck Ohio, Indiana and Kentucky. The BBC's US ...